Back Focus Adjustment
107
e.
Zoom out to wide-angle position (for close FOV) and attempt to focus on a close object
(e.g. 1-3m.).
f.
Repeat steps a. through e. until focus is optimal throughout the zoom range.
g.
Tighten the back focus ring retaining screw to secure the ring in place.
h.
Return the camera’s Exposure Setting to
Auto Iris
if this was temporarily changed to
Auto Shutter
mode during focusing.
